Blank for casing



FIG. 1 is a perspective view of a blank for casing showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a right side elevational view thereof.

The broken lines in the drawings represent fold lines and are claimed parts of the design. 

The ornamental design for a blank for casing, as shown and described. 